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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Build Suite.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef QBS_SCRIPTENGINE_H
#define QBS_SCRIPTENGINE_H
#include "jsimports.h"
#include "forward_decls.h"
#include <language/property.h>
#include <logging/logger.h>
#include <tools/filetime.h>
#include <tools/qbs_export.h>
#include <QHash>
#include <QPair>
#include <QProcessEnvironment>
#include <QScriptEngine>
#include <QString>
namespace qbs {
namespace Internal {
class Artifact;
class ScriptPropertyObserver;
// FIXME: Exported for qbs-qmltypes
class QBS_EXPORT ScriptEngine : public QScriptEngine
{
Q_OBJECT
public:
ScriptEngine(const Logger &logger, QObject *parent = 0);
~ScriptEngine();
void setLogger(const Logger &logger) { m_logger = logger; }
void import(const JsImports &jsImports, QScriptValue scope, QScriptValue targetObject);
void import(const JsImport &jsImport, QScriptValue scope, QScriptValue targetObject);
void clearImportsCache();
void addPropertyRequestedInScript(const Property &property) {
m_propertiesRequestedInScript += property;
}
void addPropertyRequestedFromArtifact(const Artifact *artifact, const Property &property);
void clearRequestedProperties() {
m_propertiesRequestedInScript.clear();
m_propertiesRequestedFromArtifact.clear();
}
PropertyList propertiesRequestedInScript() const { return m_propertiesRequestedInScript; }
QHash<QString, PropertyList> propertiesRequestedFromArtifact() const {
return m_propertiesRequestedFromArtifact;
}
void addToPropertyCache(const QString &moduleName, const QString &propertyName,
const PropertyMapConstPtr &propertyMap, const QVariant &value);
QVariant retrieveFromPropertyCache(const QString &moduleName, const QString &propertyName,
const PropertyMapConstPtr &propertyMap);
void defineProperty(QScriptValue &object, const QString &name, const QScriptValue &descriptor);
void setObservedProperty(QScriptValue &object, const QString &name, const QScriptValue &value,
ScriptPropertyObserver *observer);
QProcessEnvironment environment() const;
void setEnvironment(const QProcessEnvironment &env);
void addEnvironmentVariable(const QString &name, const QString &value);
QHash<QString, QString> usedEnvironment() const { return m_usedEnvironment; }
void addFileExistsResult(const QString &filePath, bool exists);
void addFileLastModifiedResult(const QString &filePath, FileTime fileTime);
QHash<QString, bool> fileExistsResults() const { return m_fileExistsResult; }
QHash<QString, FileTime> fileLastModifiedResults() const { return m_fileLastModifiedResult; }
QSet<QString> imports() const;
static QScriptValueList argumentList(const QStringList &argumentNames,
const QScriptValue &context);
class ScriptValueCache
{
public:
ScriptValueCache() : observer(0), project(0), product(0) {}
const void *observer;
const void *project;
const void *product;
QScriptValue observerScriptValue;
QScriptValue projectScriptValue;
QScriptValue productScriptValue;
};
ScriptValueCache *scriptValueCache() { return &m_scriptValueCache; }
bool hasErrorOrException(const QScriptValue &v) const {
return v.isError() || hasUncaughtException();
}
private:
void extendJavaScriptBuiltins();
void importProgram(const QScriptProgram &program, const QScriptValue &scope,
QScriptValue &targetObject);
ScriptValueCache m_scriptValueCache;
QHash<QString, QScriptValue> m_jsImportCache;
QHash<QPair<QString, PropertyMapConstPtr>, QVariant> m_propertyCache;
PropertyList m_propertiesRequestedInScript;
QHash<QString, PropertyList> m_propertiesRequestedFromArtifact;
Logger m_logger;
QScriptValue m_definePropertyFunction;
QScriptValue m_emptyFunction;
QProcessEnvironment m_environment;
QHash<QString, QString> m_usedEnvironment;
QHash<QString, bool> m_fileExistsResult;
QHash<QString, FileTime> m_fileLastModifiedResult;
};
} // namespace Internal
} // namespace qbs
#endif // QBS_SCRIPTENGINE_H
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